Nicolaus Copernicus

Nicolaus Copernicus ^[1] (19 February 1473 – 24 May 1543) was an astronomer. People know Copernicus for his ideas about the sun and the earth. His main idea was that our world is heliocentric (helios = sun). His theory was that the sun was in the middle of the solar system, and the planets went around it. This was published in his book, De revolutionibus orbium coelestium (On the revolutions of the heavenly spheres).

Copernicus was born in 1473 in the city of Thorn (Toruń), in Royal Prussia, a mainly German-speaking region that a few years earlier had become a part of the Kingdom of Poland. He was taught first in Cracow and then in Italy, where he graduated as lawyer of the church. He studied also medicine to serve his fellow clerics. Copernicus spent most of his life working and researching in Frauenburg (Frombork), Warmia, where he died in 1543.

Copernicus was one of the great polymaths of his age. He was a priest, mathematician, astronomer, doctor, jurist, physician, classical scholar, governor, administrator, diplomat, economist, and even lead soldiers. During all these jobs, he treated astronomy like a hobby. However, his formula of how the sun, rather than the earth, is at the center of the universe is thought to be one of the most important scientific hypotheses in history. It was the beginning of modern astronomy.

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Primary Sources

• Works by Nicolaus Copernicus at Project Gutenberg
• De Revolutionibus, autograph manuscript — Full digital facsimile, Jagiellonian University
• Copernicus' letters to various celebrities, among others the King Sigmundus I of Poland - in Polish

General

• Nicholaus Copernicus Museum in Frombork
• Portraits of Copernicus: Copernicus' face reconstructed; Portrait; Nicolaus Copernicus
• Copernicus and Astrology — Cambridge University: Copernicus had – of course – teachers with astrological activities and his tables were later used by astrologers.
• Stanford Encyclopedia of Philosophy entry
• Find-A-Grave profile for Nicolaus Copernicus
• 'Body of Copernicus' identified — BBC article including image of Copernicus using facial reconstruction based on located skull

About De Revolutionibus

• The Copernican Universe from the De Revolutionibus
• De Revolutionibus, 1543 first edition — Full digital facsimile, Lehigh University
• The front page of the De Revolutionibus
• The text of the De Revolutionibus
• A java applet about Retrograde Motion

Legacy

• Copernicus in Bologna — in Italian
• Chasing Copernicus: The Book Nobody Read — Was One of the Greatest Scientific Works Really Ignored? All Things Considered. NPR
• Copernicus and his Revolutions — A detailed critique of the rhetoric of De Revolutionibus
• Article which discusses Copernicus's debt to the Arabic tradition
• Nicolaus Copernicus University in Toruń

German-Polish Cooperations

• German-Polish school project on Copernicus - in German and Polish
• Büro Kopernikus - An initiative of German Federal Cultural Foundation- in German, Polish and English

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